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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/103036

    Title: TCWTP: Time-Constrained Weighted Targets Patrolling Mechanism in Wireless Mobile Sensor Networks
    Authors: Chih-Yung Chang;Guilin Chen;Gwo-Jong Yu;Tzu-Lin Wang;Tzu-Chia Wang
    Contributors: 淡江大學資訊工程學系
    Keywords: Data collection;sweep coverage;target coverage;weighted target patrolling;wireless mobile sensor networks (WMSNs)
    Date: 2014-12
    Issue Date: 2015-05-14 19:40:50 (UTC+8)
    Publisher: Piscataway: Institute of Electrical and Electronics Engineers
    Abstract: Target coverage problems have received much attention in recent years. In a large monitoring environment where targets are distributed over an entire monitored region, deploying static sensors leads to high hardware costs because a high number of sensors may be required to achieve network connectivity. This paper considers the target-patrol issue where a set of mobile data mules (DMs) are dispatched to efficiently patrol the given targets under a predefined time constraint. The targets are assigned weights indicating their importance, where more important targets should be visited more frequently by the DMs. Accordingly, this paper proposes a time-constrained weighted targets patrolling (TCWTP) algorithm for locally constructing efficient patrol paths, thereby ensuring globally stable intervals between visits to all target points. A performance analysis revealed that the proposed TCWTP mechanism outperforms existing works in terms of the average interval between visits, quality of monitoring satisfaction ratio, and monitoring fairness ratio.
    Relation: IEEE Transactions on Systems, Man, and Cybernetics: Systems ,45(6), pp.901-914
    DOI: 10.1109/TSMC.2014.2378212
    Appears in Collections:[資訊工程學系暨研究所] 期刊論文

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